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Write the correct formulae for the follo...

Write the correct formulae for the following coordination compounds :
(a) `CrCl_(3) . 6 H_(2)O` (violet, with 3 chloride ions/unit formula)
(b) `CrCl_(3) . 6H_(2)O` (light green colour with 2 chloride ions/unit formula)
(c ) `CrCl_(3) . 6H_(2)O` (dark green colour with 1 chloride ion/unit formula)

Text Solution

Verified by Experts

`(a)[Cr(H_(2)O)_(6)]Cl_(3) (b) [Cr(H_(2)O)_(5)Cl]. H_(2)O (c ) [Cr(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O`
Note that coordination number of Cr is 6 in each case.
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